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A long straight wire carrying current of 30A is placed in an external uniform magnetic field of induction 4 x 10⁻⁴ T. The magnetic field is acting parallel to the direction of the current. The magnitude of resultant magnetic induction in tesla at a point 2.0 cm away from the wire is
Options
(a) 10⁻⁴ T
(b) 3 x 10⁻⁴ T
(c) 5 x 10⁻⁴ T
(d) 6 x 10⁻⁴ T
Correct Answer:
5 x 10⁻⁴ T
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An electron in a circular orbit of radius 0.05 nm performs 10¹⁶ rev/s. The magnetic
- The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma
- In an inductor when current changes from 2 A to 18 A in 0.05 sec, the e.m.f. induced
- A projectile is thrown in the upward direction making an angle of 60°with the horizontal
- Before using the tangent galvanometer, its coil is set in
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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